86662501 has 16 divisors (see below), whose sum is σ = 91517184. Its totient is φ = 81978624.

The previous prime is 86662493. The next prime is 86662573. The reversal of 86662501 is 10526668.

It is a cyclic number.

It is not a de Polignac number, because 86662501 - 2³ = 86662493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86162501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276721 + ... + 277033.

It is an arithmetic number, because the mean of its divisors is an integer number (5719824).

Almost surely, 2^86662501 is an apocalyptic number.

It is an amenable number.

86662501 is a deficient number, since it is larger than the sum of its proper divisors (4854683).

86662501 is a wasteful number, since it uses less digits than its factorization.

86662501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 86662501 is about 9309.2696276346. The cubic root of 86662501 is about 442.5310410518.

The spelling of 86662501 in words is "eighty-six million, six hundred sixty-two thousand, five hundred one".